V4L/DVB (6465): Use correct error codes when chip is not recognized
If the chip isn't recognized, then the correct errors should be returned.
The v4l2_i2c_attach() utility function will return 0 for all errors
except -ENOMEM to provide proper compatibility support for the old I2C
probing function.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index f2946ac..f4c1460 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -812,7 +812,7 @@
if (msp_reset(client) == -1) {
v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
- return 0;
+ return -ENODEV;
}
state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -844,7 +844,7 @@
if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
kfree(state);
- return 0;
+ return -ENODEV;
}
msp_set_audio(client);